So I just bought a new Sony CDP-CX400 CD megachanger for system. After loading in all my CDs, the stupid thing doesn't play half of them! When I try to play one, it sits, makes noise, thinks about, makes some more noise (I'm pretty sure it's loading and unloading the disc a few times), and then moves to the next disc. I've tried everything I can think of, removing discs, putting them in different slots, cleaning them, etc. The discs in question all play fine in other players, just not this one. Anyone else have this problem? I purchased this thing on-line through an authorized dealer, so I can always get it replaced. I just don't want to go through the hassle of shipping this monster.